Alumacraft 1648 NCS 2001 boat specs
Alumacraft
Alumacraft 1648 NCS 2001
2001
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VS
Alumacraft Navigator 175 CS 2007 boat specs
Alumacraft
Alumacraft Navigator 175 CS 2007
2007
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Alumacraft 1648 NCS 2001 vs Alumacraft Navigator 175 CS 2007 — Same Brand, Different Boat

The Alumacraft 1648 NCS 2001 vs Alumacraft Navigator 175 CS 2007 comparison sits squarely in the category of decisions where specs alone won't tell the whole story — intended use, storage, and long-term ownership costs all factor in.

The Alumacraft Navigator 175 CS 2007 tops out at 150 hp. Engine specs for the Alumacraft 1648 NCS 2001 aren't listed — confirm with a dealer before selecting an outboard.

Both boats are rated for 5 passengers — a good fit for a family of four or five plus guests. Comfort at capacity is another matter; the longer hull typically means more seat options and better weight distribution.

Bottom line: The Alumacraft 1648 NCS 2001 and Alumacraft Navigator 175 CS 2007 are closely matched on the specs that matter most. Test-ride both on the water you actually use, check current dealer pricing, and factor in long-term service access before you sign.
General Boat Info
MakeAlumacraft
MakeAlumacraft
Model1648 NCS
ModelNavigator 175 CS
Model Year2001
Model Year2007
Measurements / Dimensions
Beam70"
Beam95 in. (2.41 m)
Beam - Meters1.78
Beam - Meters2.41
Beam - Inches7
Beam - Inches95
Weight - Detail260 lbs
Weight - Detail1,270 lbs. (576 kg)
Weight - kg117.93
Weight - kg576.06
Weight - lbs.26
Weight - lbs.127
Length overall - Detail16' 0"
Length overall - Detail17 ft. 8 in. (5.38 m)
Length overall - Meters4.88
Length overall - Meters5.38
Length overall - Inches192
Length overall - Inches212
Depth - Detailnot available
Depth - DetailMaximum: 43 in. (1.09 m) To Floor: 23 in. (0.57 m)
Depth - Centimetersnot available
Depth - Centimeters109.22
Depth - Inchesnot available
Depth - Inches43
Width [transom] - Detailnot available
Width [transom] - Detail93 in. (2.36 m)
Height [transom]not available
Height [transom]25 in. (0.63 m)
Length - Metersnot available
Length - Meters5.38
Length - Feetnot available
Length - Feet17
Length - Inchesnot available
Length - Inches8
Body / Hull
Hull materialAluminum
Hull materialAluminum
Hull thicknessnot available
Hull thicknessBottom: 0.080 in. (2 mm)
Hull typenot available
Hull typeModified Vee
Engine and Drivetrain
Engine/s standard15 - 35 hp (tiller)
Engine/s standardnot available
Fuel tank capacity - Detailnot available
Fuel tank capacity - Detail40 gal. (151 l)
Fuel tank capacity - Litersnot available
Fuel tank capacity - Liters151.42
Fuel tank capacity - Galnot available
Fuel tank capacity - Gal4
Fuel typenot available
Fuel typeGas
Drive typenot available
Drive typeOutboard
Engine maxnot available
Engine max150 hp (111 kW)
Operational Info
Maximum people5 person
Maximum people5
Maximum capacitynot available
Maximum capacity1,245 lbs. (564 kg)

Alumacraft 1648 NCS 2001 vs Alumacraft Navigator 175 CS 2007 — Common Questions

Which is easier to trailer — the Alumacraft 1648 NCS 2001 or the Alumacraft Navigator 175 CS 2007?
For trailering, the Alumacraft 1648 NCS 2001 has the edge at 26 lbs dry weight versus 127 lbs for the Alumacraft Navigator 175 CS 2007. Add a motor (typically 300–500 lbs for an outboard in this class), gear, and a partial fuel load and the difference grows. Lighter is friendlier on smaller tow vehicles and on fuel economy while hauling.
What is the maximum horsepower rating for these boats?
The Alumacraft Navigator 175 CS 2007 has a documented max rating of 150 hp. Engine specifications for the Alumacraft 1648 NCS 2001 were not available in our database — check the OEM spec sheet or manufacturer's website for confirmation.
How many people can each boat hold?
The Alumacraft 1648 NCS 2001 is Coast Guard rated for 5 passengers, while the Alumacraft Navigator 175 CS 2007 is certified for 5. Note that legal capacity and comfortable capacity aren't always the same thing — on a full day out, most experienced boaters aim for about 80% of the rated number to keep things comfortable.
Which boat is wider, and does it affect trailering?
The Alumacraft Navigator 175 CS 2007 measures 95" wide, compared to 7" for the Alumacraft 1648 NCS 2001. The US standard-width towing limit is 8’6" (102") in most states — anything over that may need a wide-load permit. Confirm your specific route requirements with each state's DOT.
Are the Alumacraft 1648 NCS 2001 and Alumacraft Navigator 175 CS 2007 from the same manufacturer?
Yes — both the Alumacraft 1648 NCS 2001 and the Alumacraft Navigator 175 CS 2007 are built by Alumacraft. That means shared dealer networks, common parts availability, and consistent build quality across the line. The choice between them is essentially a question of how much boat you need, not which brand you trust.